Breadcrumb Home > Dictionary > Index H Cite heterozygous: Meaning and Definition of Find definitions for: het•er•o•zy•gous Pronunciation: (het"ur-u-zī'gus), [key] — adj. Biol. having dissimilar pairs of genes for any hereditary characteristic. of or pertaining to a heterozygote. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: heterozygous (Thesaurus) heterozygote heth TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News A History of the New Year Saying "Happy New Year!" Around the World Noble Titles and Ranks in a Monarchy The 5 Best Air Purifiers of 2020 How U.S. Presidential Elections Work Related Content Daily Word Quiz: loquacious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language